Starrett SR400 Surface Roughness Tester - Manual (Page 35)

SR300 and SR400 Surface Roughness Tester
Technical Specifications
Component Capacity SR300 SR400
Physical Specifications Weight Including Pickup 0.5Kg (1.1lbs)
IP Rating None IP43
Power Source Li Poly rechargeable battery
Operating Conditions Temperature 5 - 40°C (41-104°F)
Humidity 0 -80% non-condensing
Storage Conditions Temperature 0 -50°C (32 - 122°F)
Humidity 0 – 90% non-condensing